Invention Grant
- Patent Title: Liquid yield from pyrolysis of coal liquefaction products
- Patent Title (中): 煤液化产物热解产生液体产物
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Application No.: US45683Application Date: 1979-06-05
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Publication No.: US4244805APublication Date: 1981-01-13
- Inventor: William J. Metrailer
- Applicant: William J. Metrailer
- Applicant Address: NJ Florham Park
- Assignee: Exxon Research & Engineering Co.
- Current Assignee: Exxon Research & Engineering Co.
- Current Assignee Address: NJ Florham Park
- Main IPC: C10G1/00
- IPC: C10G1/00 ; C10G9/28 ; C10G57/00
Abstract:
The quantity and quality of liquids produced from solid coal can be enhanced by a process comprising a liquefaction zone and a pyrolysis reactor, preferably a fluid coking zone, wherein the heavy liquids obtained in the pyrolysis reactor, e.g., 1000.degree. F.+ materials having a Conradson Carbon content of at least 15 wt. % are recycled to the liquefaction zone, rather than to the pyrolysis reactor, for further treatment under hydrogenation conditions and, consequently, conversion of the heavy liquids to lower boiling liquids which may be removed from the pyrolysis reactor feed by distillation is achieved.
Public/Granted literature
- USD373055S Food caddy Public/Granted day:1996-08-27
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